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Finding the Fourth Proportional to 580,791.80, 801,532.50 and 322,699.88

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Solution

The fourth proportional to 580,791.80, 801,532.50 and 322,699.88 is: 445,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,791.80 : 801,532.50 = 322,699.88 : x
  2. Step 2: Convert to fraction form
    580,791.80/801,532.50 = 322,699.88/x
  3. Step 3: Cross multiply
    580,791.80x = 801,532.50 × 322,699.88
  4. Step 4: Simplify right side
    580,791.80x = 258,654,441,566.10
  5. Step 5: Solve for x
    x = 258,654,441,566.10/580,791.80
  6. Step 6: Final answer
    x = 445,347.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.